LH0091 Datasheet | National Semiconductor

LH0091 True RMS to DC Converter September 1993 LH0091 True RMS to DC Converter General Description The LH0091 rms to dc converter generates a dc output equal to the rms value of any input per the transfer function EOUT(DC) e Features 0 1 T EIN2(t) dt T 0 The device provides rms conversion to an accuracy of 0 1% of reading using the external trim procedure It is possible to trim for maximum accuracy (0 5 mV g 0 05% typ) for decade ranges i e 10 mV x 100 mV 0 7V x 7V etc Low cost True rms conversion 0 5% of reading accuracy untrimmed 0 05% of reading accuracy with external trim Minimum ponent count Input voltage to g 15V peak for VS e g 15V Unmitted amplifier...